linux-kernel - netsc520 - skeleton in the closet ?

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Date:	Sun, 13 Apr 2008 14:45:18 +0200
From:	devzero@....de
To:	linux-kernel@...r.kernel.org
Cc:	cebbert@...hat.com, hidave.darkstar@...il.com, jeremy@...p.org
Subject: netsc520 - skeleton in the closet ?

i'm doing some module testing from time to time and i'm somewhat sure, that there is an issue with netsc520 module, as i have seen more than one occasion that after load/unloading of that module (w/o presence of the appropriate hw), other modules had issues.

see http://marc.info/?l=linux-kernel&m=120664963508105&w=2 for example.

now,by chance i came across this one: http://marc.info/?l=linux-kernel&m=118274309325836&w=2

>> > >> netsc520 is doing iounmap() of an area it did
>> > >> ioremap_nocache() on earlier, because it has now failed to
>> > >> find a device. Why it went BUG() I have no idea.
>> > >>
>> > >
>> > > Hi, maybe some config option cause this issue, here is my current
>> > > working-ok config file:
>> >
>> > What are the differences from the non-working config?
>> >
>> >     J
>> >
>> The diffrences is net520c item.
>>
>sorry it is netsc520, I will post the patch after a while.

so, it sounds there is a known issue with netsc520, but i'm not sure if it's the related and if that mentioned patch has been posted, at least i don't find it in git due to x86/64 unification.

maybe someone has a clue.... ?

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